Home / 13,799.62-20,700.90-5,902.95

Finding the Fourth Proportional to 13,799.62, 20,700.90 and 5,902.95

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Solution

The fourth proportional to 13,799.62, 20,700.90 and 5,902.95 is: 8,855.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.62 : 20,700.90 = 5,902.95 : x
  2. Step 2: Convert to fraction form
    13,799.62/20,700.90 = 5,902.95/x
  3. Step 3: Cross multiply
    13,799.62x = 20,700.90 × 5,902.95
  4. Step 4: Simplify right side
    13,799.62x = 122,196,377.66
  5. Step 5: Solve for x
    x = 122,196,377.66/13,799.62
  6. Step 6: Final answer
    x = 8,855.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.